Kennebunkport weather by month
What a typical year looks like in Kennebunkport, Maine: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at KENNEBUNKPORT, 1 km from Kennebunkport; records cover 1989–2026.
The year at a glance
- Precipitation a year
- 52 in1321 mm
- Snow a year
- 49 in124 cm
- Last spring freeze
- May 10
- First fall freeze
- Oct 5
- Heating degree days
- 7,380
- Cooling degree days
- 250
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Kennebunkport in January
Highs average 33°0° and lows 13°−10°, with 3.7 in93 mm of precipitation and 13 in34 cm of snow in a typical January.
- Record high
- 63°17° (2007)
- Record low
- −20°−29° (1994)
- Heating degree days
- 1305
- Cooling degree days
- 0
Kennebunkport in February
Highs average 35°2° and lows 14°−10°, with 3.7 in94 mm of precipitation and 13 in34 cm of snow in a typical February.
- Record high
- 68°20° (2022)
- Record low
- −19°−28° (2003)
- Heating degree days
- 1130
- Cooling degree days
- 0
Kennebunkport in March
Highs average 41°5° and lows 23°−5°, with 4.7 in119 mm of precipitation and 10 in25 cm of snow in a typical March.
- Record high
- 77°25° (1998)
- Record low
- −10°−23° (1996)
- Heating degree days
- 1024
- Cooling degree days
- 0
Kennebunkport in April
Highs average 52°11° and lows 32°0°, with 4.7 in120 mm of precipitation and 1.3 in3.3 cm of snow in a typical April.
- Record high
- 91°33° (2002)
- Record low
- 13°−11° (2001)
- Heating degree days
- 686
- Cooling degree days
- 0
Kennebunkport in May
Highs average 62°16° and lows 43°6°, with 4.2 in107 mm of precipitation in a typical May.
- Record high
- 94°34° (2026)
- Record low
- 16°−9° (2001)
- Heating degree days
- 403
- Cooling degree days
- 4
Kennebunkport in June
Highs average 71°22° and lows 52°11°, with 4.7 in119 mm of precipitation in a typical June.
- Record high
- 99°37° (2025)
- Record low
- 34°1° (2004)
- Heating degree days
- 139
- Cooling degree days
- 35
Kennebunkport in July
Highs average 77°25° and lows 58°14°, with 3.9 in99 mm of precipitation in a typical July.
- Record high
- 99°37° (2011)
- Record low
- 35°2° (2000)
- Heating degree days
- 32
- Cooling degree days
- 105
Kennebunkport in August
Highs average 76°24° and lows 57°14°, with 3.9 in99 mm of precipitation in a typical August.
- Record high
- 96°36° (2001)
- Record low
- 29°−2° (1995)
- Heating degree days
- 45
- Cooling degree days
- 84
Kennebunkport in September
Highs average 69°21° and lows 49°9°, with 3.9 in100 mm of precipitation in a typical September.
- Record high
- 93°34° (2016)
- Record low
- 19°−7° (1995)
- Heating degree days
- 198
- Cooling degree days
- 21
Kennebunkport in OctoberThis month
Highs average 59°15° and lows 38°3°, with 5.6 in143 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 84°29° (2018)
- Record low
- 12°−11° (2008)
- Heating degree days
- 526
- Cooling degree days
- 1
Kennebunkport in November
Highs average 48°9° and lows 29°−2°, with 4.2 in106 mm of precipitation and 0.7 in1.8 cm of snow in a typical November.
- Record high
- 79°26° (2024)
- Record low
- −3°−19° (1989)
- Heating degree days
- 788
- Cooling degree days
- 0
Kennebunkport in December
Highs average 39°4° and lows 20°−7°, with 4.8 in122 mm of precipitation and 10 in26 cm of snow in a typical December.
- Record high
- 75°24° (1998)
- Record low
- −15°−26° (1989)
- Heating degree days
- 1104
- Cooling degree days
- 0